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ELEC
FUEL INJECTION SYSTEM
EAS00759
YES
NO
EAS00817
YES
NO
EAS00748
5. Fuel injection system relay
• Disconnect the fuel injection system relay
from the wire harness.
• Connect the pocket tester (
Ω
×
1) and bat-
tery (12 V) to the fuel injection system relay
terminals as shown.
Battery positive terminal
→
red/black
1
Battery negative terminal
→
blue/yellow
2
Tester positive probe
→
red
3
Tester negative probe
→
red/blue
4
• Does the fuel injection system relay have
continuity between blue/white and black?
Replace the fuel
injection system
relay.
+
R
R/L
R/B
L/Y
6. Fuel pump resistance
• Disconnect the fuel pump coupler from the
fuel pump.
• Connect the pocket tester (
Ω
×
1) to the fuel
pump coupler as shown.
Tester positive probe
→
red/blue
1
Tester negative probe
→
black
2
• Measure the fuel pump resistance.
Fuel pump resistance
0.2 ~ 3.0
Ω
at 20°C
• Is the fuel pump OK?
Replace the fuel
pump.
7. Crankshaft position sensor resistance
• Disconnect the crankshaft position sensor
coupler from the wire harness.
• Connect the pocket tester (
Ω
×
100) to the
crankshaft position sensor coupler as
shown.
Tester positive probe
→
gray
1
Tester negative probe
→
black
2
• Measure the crankshaft position sensor
resistance.
G/W
B
B
R/L